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vacuum tube
Show Format Data
Format
JPG 300 DPI
Image information
Author:
dreamstime
License:
buy for Personal Use & Commercial
File Type:
JPG
Views:
times
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airtight
amplifier
ancient
background
bulb
cathode
component
electrical
electricity
electron
electronics
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glass
history
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lamps
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metal
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old
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pentode
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radio
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triode
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white